1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.functor.adapter;
18  
19  import static org.junit.Assert.assertEquals;
20  import static org.junit.Assert.assertNotNull;
21  import static org.junit.Assert.assertNull;
22  
23  import org.apache.commons.functor.BaseFunctorTest;
24  import org.apache.commons.functor.Predicate;
25  import org.apache.commons.functor.core.Constant;
26  import org.apache.commons.functor.core.Identity;
27  import org.junit.Test;
28  
29  /**
30   * @version $Revision: 1171255 $ $Date: 2011-09-15 22:27:39 +0200 (Thu, 15 Sep 2011) $
31   * @author Rodney Waldhoff
32   */
33  public class TestBoundPredicate extends BaseFunctorTest {
34  
35      // Functor Testing Framework
36      // ------------------------------------------------------------------------
37  
38      protected Object makeFunctor() {
39          return new BoundPredicate(Constant.TRUE,"xyzzy");
40      }
41  
42      // Tests
43      // ------------------------------------------------------------------------
44  
45      @Test
46      public void testTest() throws Exception {
47          {
48              Predicate p = new BoundPredicate(new UnaryFunctionUnaryPredicate<Boolean>(Identity.<Boolean>instance()),Boolean.TRUE);
49              assertEquals(true,p.test());
50          }
51          {
52              Predicate p = new BoundPredicate(new UnaryFunctionUnaryPredicate<Boolean>(Identity.<Boolean>instance()),Boolean.FALSE);
53              assertEquals(false,p.test());
54          }
55      }
56  
57      @Test
58      public void testEquals() throws Exception {
59          Predicate f = new BoundPredicate(Constant.TRUE,"xyzzy");
60          assertEquals(f,f);
61          assertObjectsAreEqual(f,new BoundPredicate(Constant.TRUE,"xyzzy"));
62          assertObjectsAreNotEqual(f,Constant.TRUE);
63          assertObjectsAreNotEqual(f,new BoundPredicate(Constant.TRUE,"foo"));
64          assertObjectsAreNotEqual(f,new BoundPredicate(Constant.FALSE,"xyzzy"));
65          assertObjectsAreNotEqual(f,new BoundPredicate(Constant.TRUE,null));
66      }
67  
68      @Test
69      public void testAdaptNull() throws Exception {
70          assertNull(BoundPredicate.bind(null,"xyzzy"));
71      }
72  
73      @Test
74      public void testAdapt() throws Exception {
75          assertNotNull(BoundPredicate.bind(Constant.TRUE,"xyzzy"));
76          assertNotNull(BoundPredicate.bind(Constant.TRUE,null));
77      }
78  }